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<!DOCTYPE html> <html> <head> <title>range.js</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To … <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="jquerypp.html"> jquerypp.js </a> <a class="source" href="animate.html"> animate.js </a> <a class="source" href="compare.html"> compare.js </a> <a class="source" href="cookie.html"> cookie.js </a> <a class="source" href="dimensions.html"> dimensions.js </a> <a class="source" href="form_params.html"> form_params.js </a> <a class="source" href="range.html"> range.js </a> <a class="source" href="selection.html"> selection.js </a> <a class="source" href="styles.html"> styles.js </a> <a class="source" href="within.html"> within.js </a> <a class="source" href="default.html"> default.js </a> <a class="source" href="destroyed.html"> destroyed.js </a> <a class="source" href="drag.html"> drag.js </a> <a class="source" href="core.html"> core.js </a> <a class="source" href="limit.html"> limit.js </a> <a class="source" href="scroll.html"> scroll.js </a> <a class="source" href="step.html"> step.js </a> <a class="source" href="drop.html"> drop.js </a> <a class="source" href="fastfix.html"> fastfix.js </a> <a class="source" href="hover.html"> hover.js </a> <a class="source" href="key.html"> key.js </a> <a class="source" href="livehack.html"> livehack.js </a> <a class="source" href="pause.html"> pause.js </a> <a class="source" href="resize.html"> resize.js </a> <a class="source" href="reverse.html"> reverse.js </a> <a class="source" href="swipe.html"> swipe.js </a> <a class="source" href="json.html"> json.js </a> <a class="source" href="vector.html"> vector.js </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> range.js </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">¶</a> </div> </td> <td class="code"> <div class="highlight"><pre><span class="p">(</span><span class="kd">function</span> <span class="p">(</span><span class="nx">$</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">$</span><span class="p">.</span><span class="nx">fn</span><span class="p">.</span><span class="nx">range</span> <span class="o">=</span>
<span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">(</span><span class="k">this</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
<span class="p">}</span>
<span class="kd">var</span> <span class="nx">convertType</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">type</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">type</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/([a-z])([a-z]+)/gi</span><span class="p">,</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">all</span><span class="p">,</span> <span class="nx">first</span><span class="p">,</span> <span class="nx">next</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">first</span> <span class="o">+</span> <span class="nx">next</span><span class="p">.</span><span class="nx">toLowerCase</span><span class="p">()</span>
<span class="p">}).</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/_/g</span><span class="p">,</span> <span class="s2">""</span><span class="p">);</span>
<span class="p">},</span></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">¶</a> </div> <p>reverses things like START<em>TO</em>END into END<em>TO</em>START</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">reverse</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">type</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">type</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/^([a-z]+)_TO_([a-z]+)/i</span><span class="p">,</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">all</span><span class="p">,</span> <span class="nx">first</span><span class="p">,</span> <span class="nx">last</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">last</span> <span class="o">+</span> <span class="s2">"_TO_"</span> <span class="o">+</span> <span class="nx">first</span><span class="p">;</span>
<span class="p">});</span>
<span class="p">},</span>
<span class="nx">getWindow</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">element</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">element</span> <span class="o">?</span> <span class="nx">element</span><span class="p">.</span><span class="nx">ownerDocument</span><span class="p">.</span><span class="nx">defaultView</span> <span class="o">||</span> <span class="nx">element</span><span class="p">.</span><span class="nx">ownerDocument</span><span class="p">.</span><span class="nx">parentWindow</span> <span class="o">:</span> <span class="nb">window</span>
<span class="p">},</span>
<span class="nx">bisect</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">start</span><span class="p">,</span> <span class="nx">end</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">¶</a> </div> <p>split the start and end ... figure out who is touching ...</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">end</span> <span class="o">-</span> <span class="nx">start</span> <span class="o">==</span> <span class="mi">1</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="nx">support</span> <span class="o">=</span> <span class="p">{};</span>
<span class="nx">$</span><span class="p">.</span><span class="nx">Range</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">range</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">¶</a> </div> <p>If it's called w/o new, call it with new!</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">constructor</span> <span class="o">!==</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">new</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">(</span><span class="nx">range</span><span class="p">);</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">¶</a> </div> <p>If we are passed a jQuery-wrapped element, get the raw element</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">range</span> <span class="o">&&</span> <span class="nx">range</span><span class="p">.</span><span class="nx">jquery</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">range</span> <span class="o">=</span> <span class="nx">range</span><span class="p">[</span><span class="mi">0</span><span class="p">];</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">¶</a> </div> <p>If we have an element, or nothing</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">range</span> <span class="o">||</span> <span class="nx">range</span><span class="p">.</span><span class="nx">nodeType</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">¶</a> </div> <p>create a range</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">this</span><span class="p">.</span><span class="nx">win</span> <span class="o">=</span> <span class="nx">getWindow</span><span class="p">(</span><span class="nx">range</span><span class="p">)</span>
<span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">win</span><span class="p">.</span><span class="nb">document</span><span class="p">.</span><span class="nx">createRange</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">win</span><span class="p">.</span><span class="nb">document</span><span class="p">.</span><span class="nx">createRange</span><span class="p">()</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">win</span> <span class="o">&&</span> <span class="k">this</span><span class="p">.</span><span class="nx">win</span><span class="p">.</span><span class="nb">document</span><span class="p">.</span><span class="nx">body</span> <span class="o">&&</span> <span class="k">this</span><span class="p">.</span><span class="nx">win</span><span class="p">.</span><span class="nb">document</span><span class="p">.</span><span class="nx">body</span><span class="p">.</span><span class="nx">createTextRange</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">win</span><span class="p">.</span><span class="nb">document</span><span class="p">.</span><span class="nx">body</span><span class="p">.</span><span class="nx">createTextRange</span><span class="p">()</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-8">¶</a> </div> <p>if we have an element, make the range select it</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">range</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">select</span><span class="p">(</span><span class="nx">range</span><span class="p">)</span>
<span class="p">}</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-9">¶</a> </div> <p>if we are given a point</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">range</span><span class="p">.</span><span class="nx">clientX</span> <span class="o">!=</span> <span class="kc">null</span> <span class="o">||</span> <span class="nx">range</span><span class="p">.</span><span class="nx">pageX</span> <span class="o">!=</span> <span class="kc">null</span> <span class="o">||</span> <span class="nx">range</span><span class="p">.</span><span class="nx">left</span> <span class="o">!=</span> <span class="kc">null</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">moveToPoint</span><span class="p">(</span><span class="nx">range</span><span class="p">);</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-10">¶</a> </div> <p>if we are given a touch event</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">range</span><span class="p">.</span><span class="nx">originalEvent</span> <span class="o">&&</span> <span class="nx">range</span><span class="p">.</span><span class="nx">originalEvent</span><span class="p">.</span><span class="nx">touches</span> <span class="o">&&</span> <span class="nx">range</span><span class="p">.</span><span class="nx">originalEvent</span><span class="p">.</span><span class="nx">touches</span><span class="p">.</span><span class="nx">length</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">moveToPoint</span><span class="p">(</span><span class="nx">range</span><span class="p">.</span><span class="nx">originalEvent</span><span class="p">.</span><span class="nx">touches</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-11">¶</a> </div> <p>if we are a normal event</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">range</span><span class="p">.</span><span class="nx">originalEvent</span> <span class="o">&&</span> <span class="nx">range</span><span class="p">.</span><span class="nx">originalEvent</span><span class="p">.</span><span class="nx">changedTouches</span> <span class="o">&&</span> <span class="nx">range</span><span class="p">.</span><span class="nx">originalEvent</span><span class="p">.</span><span class="nx">changedTouches</span><span class="p">.</span><span class="nx">length</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">moveToPoint</span><span class="p">(</span><span class="nx">range</span><span class="p">.</span><span class="nx">originalEvent</span><span class="p">.</span><span class="nx">changedTouches</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-12">¶</a> </div> <p>given a TextRange or something else?</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">else</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span> <span class="o">=</span> <span class="nx">range</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">};</span>
<span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">.</span>
<span class="nx">current</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">el</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">win</span> <span class="o">=</span> <span class="nx">getWindow</span><span class="p">(</span><span class="nx">el</span><span class="p">),</span>
<span class="nx">selection</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">win</span><span class="p">.</span><span class="nx">getSelection</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-13">¶</a> </div> <p>If we can get the selection</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">selection</span> <span class="o">=</span> <span class="nx">win</span><span class="p">.</span><span class="nx">getSelection</span><span class="p">()</span>
<span class="k">return</span> <span class="k">new</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">(</span><span class="nx">selection</span><span class="p">.</span><span class="nx">rangeCount</span> <span class="o">?</span> <span class="nx">selection</span><span class="p">.</span><span class="nx">getRangeAt</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span> <span class="o">:</span> <span class="nx">win</span><span class="p">.</span><span class="nb">document</span><span class="p">.</span><span class="nx">createRange</span><span class="p">())</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-14"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-14">¶</a> </div> <p>Otherwise use document.selection</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">return</span> <span class="k">new</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">(</span><span class="nx">win</span><span class="p">.</span><span class="nb">document</span><span class="p">.</span><span class="nx">selection</span><span class="p">.</span><span class="nx">createRange</span><span class="p">());</span>
<span class="p">}</span>
<span class="p">};</span>
<span class="nx">$</span><span class="p">.</span><span class="nx">extend</span><span class="p">(</span><span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">.</span><span class="nx">prototype</span><span class="p">,</span>
<span class="p">{</span>
<span class="nx">moveToPoint</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">point</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">clientX</span> <span class="o">=</span> <span class="nx">point</span><span class="p">.</span><span class="nx">clientX</span><span class="p">,</span>
<span class="nx">clientY</span> <span class="o">=</span> <span class="nx">point</span><span class="p">.</span><span class="nx">clientY</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">clientX</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">off</span> <span class="o">=</span> <span class="nx">scrollOffset</span><span class="p">();</span>
<span class="nx">clientX</span> <span class="o">=</span> <span class="p">(</span><span class="nx">point</span><span class="p">.</span><span class="nx">pageX</span> <span class="o">||</span> <span class="nx">point</span><span class="p">.</span><span class="nx">left</span> <span class="o">||</span> <span class="mi">0</span><span class="p">)</span> <span class="o">-</span> <span class="nx">off</span><span class="p">.</span><span class="nx">left</span><span class="p">;</span>
<span class="nx">clientY</span> <span class="o">=</span> <span class="p">(</span><span class="nx">point</span><span class="p">.</span><span class="nx">pageY</span> <span class="o">||</span> <span class="nx">point</span><span class="p">.</span><span class="nx">top</span> <span class="o">||</span> <span class="mi">0</span><span class="p">)</span> <span class="o">-</span> <span class="nx">off</span><span class="p">.</span><span class="nx">top</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">support</span><span class="p">.</span><span class="nx">moveToPoint</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">().</span><span class="nx">range</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">moveToPoint</span><span class="p">(</span><span class="nx">clientX</span><span class="p">,</span> <span class="nx">clientY</span><span class="p">);</span>
<span class="k">return</span> <span class="k">this</span><span class="p">;</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-15"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-15">¶</a> </div> <p>it's some text node in this range ...</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">var</span> <span class="nx">parent</span> <span class="o">=</span> <span class="nb">document</span><span class="p">.</span><span class="nx">elementFromPoint</span><span class="p">(</span><span class="nx">clientX</span><span class="p">,</span> <span class="nx">clientY</span><span class="p">);</span></pre></div> </td> </tr> <tr id="section-16"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-16">¶</a> </div> <p>typically it will be 'on' text</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">for</span> <span class="p">(</span><span class="kd">var</span> <span class="nx">n</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="nx">n</span> <span class="o"><</span> <span class="nx">parent</span><span class="p">.</span><span class="nx">childNodes</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span> <span class="nx">n</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">node</span> <span class="o">=</span> <span class="nx">parent</span><span class="p">.</span><span class="nx">childNodes</span><span class="p">[</span><span class="nx">n</span><span class="p">];</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">node</span><span class="p">.</span><span class="nx">nodeType</span> <span class="o">===</span> <span class="mi">3</span> <span class="o">||</span> <span class="nx">node</span><span class="p">.</span><span class="nx">nodeType</span> <span class="o">===</span> <span class="mi">4</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">range</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">(</span><span class="nx">node</span><span class="p">),</span>
<span class="nx">length</span> <span class="o">=</span> <span class="nx">range</span><span class="p">.</span><span class="nx">toString</span><span class="p">().</span><span class="nx">length</span><span class="p">;</span></pre></div> </td> </tr> <tr id="section-17"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-17">¶</a> </div> <p>now lets start moving the end until the boundingRect is within our range</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">for</span> <span class="p">(</span><span class="kd">var</span> <span class="nx">i</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> <span class="nx">i</span> <span class="o"><</span> <span class="nx">length</span> <span class="o">+</span> <span class="mi">1</span><span class="p">;</span> <span class="nx">i</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">rect</span> <span class="o">=</span> <span class="nx">range</span><span class="p">.</span><span class="nx">end</span><span class="p">(</span><span class="nx">i</span><span class="p">).</span><span class="nx">rect</span><span class="p">();</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">rect</span><span class="p">.</span><span class="nx">left</span> <span class="o"><=</span> <span class="nx">clientX</span> <span class="o">&&</span> <span class="nx">rect</span><span class="p">.</span><span class="nx">left</span> <span class="o">+</span> <span class="nx">rect</span><span class="p">.</span><span class="nx">width</span> <span class="o">>=</span> <span class="nx">clientX</span> <span class="o">&&</span> <span class="nx">rect</span><span class="p">.</span><span class="nx">top</span> <span class="o"><=</span> <span class="nx">clientY</span> <span class="o">&&</span> <span class="nx">rect</span><span class="p">.</span><span class="nx">top</span> <span class="o">+</span> <span class="nx">rect</span><span class="p">.</span><span class="nx">height</span> <span class="o">>=</span> <span class="nx">clientY</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">range</span><span class="p">.</span><span class="nx">start</span><span class="p">(</span><span class="nx">i</span> <span class="o">-</span> <span class="mi">1</span><span class="p">);</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span> <span class="o">=</span> <span class="nx">range</span><span class="p">.</span><span class="nx">range</span><span class="p">;</span>
<span class="k">return</span> <span class="k">this</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-18"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-18">¶</a> </div> <p>if not 'on' text, recursively go through and find out when we shift to next
'line'</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">var</span> <span class="nx">previous</span><span class="p">;</span>
<span class="nx">iterate</span><span class="p">(</span><span class="nx">parent</span><span class="p">.</span><span class="nx">childNodes</span><span class="p">,</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">textNode</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">range</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">(</span><span class="nx">textNode</span><span class="p">);</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">range</span><span class="p">.</span><span class="nx">rect</span><span class="p">().</span><span class="nx">top</span> <span class="o">></span> <span class="nx">point</span><span class="p">.</span><span class="nx">clientY</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">previous</span> <span class="o">=</span> <span class="nx">range</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">});</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">previous</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">previous</span><span class="p">.</span><span class="nx">start</span><span class="p">(</span><span class="nx">previous</span><span class="p">.</span><span class="nx">toString</span><span class="p">().</span><span class="nx">length</span><span class="p">);</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span> <span class="o">=</span> <span class="nx">previous</span><span class="p">.</span><span class="nx">range</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">(</span><span class="nx">parent</span><span class="p">).</span><span class="nx">range</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="nb">window</span><span class="o">:</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">win</span> <span class="o">||</span> <span class="nb">window</span><span class="p">;</span>
<span class="p">},</span>
<span class="nx">overlaps</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">elRange</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">elRange</span><span class="p">.</span><span class="nx">nodeType</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">elRange</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">(</span><span class="nx">elRange</span><span class="p">).</span><span class="nx">select</span><span class="p">(</span><span class="nx">elRange</span><span class="p">);</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-19"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-19">¶</a> </div> <p>if the start is within the element ...</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">var</span> <span class="nx">startToStart</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">compare</span><span class="p">(</span><span class="s2">"START_TO_START"</span><span class="p">,</span> <span class="nx">elRange</span><span class="p">),</span>
<span class="nx">endToEnd</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">compare</span><span class="p">(</span><span class="s2">"END_TO_END"</span><span class="p">,</span> <span class="nx">elRange</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-20"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-20">¶</a> </div> <p>if we wrap elRange</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">startToStart</span> <span class="o"><=</span> <span class="mi">0</span> <span class="o">&&</span> <span class="nx">endToEnd</span> <span class="o">>=</span> <span class="mi">0</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="kc">true</span><span class="p">;</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-21"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-21">¶</a> </div> <p>if our start is inside of it</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">startToStart</span> <span class="o">>=</span> <span class="mi">0</span> <span class="o">&&</span> <span class="k">this</span><span class="p">.</span><span class="nx">compare</span><span class="p">(</span><span class="s2">"START_TO_END"</span><span class="p">,</span> <span class="nx">elRange</span><span class="p">)</span> <span class="o"><=</span> <span class="mi">0</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="kc">true</span><span class="p">;</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-22"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-22">¶</a> </div> <p>if our end is inside of elRange</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">compare</span><span class="p">(</span><span class="s2">"END_TO_START"</span><span class="p">,</span> <span class="nx">elRange</span><span class="p">)</span> <span class="o">>=</span> <span class="mi">0</span> <span class="o">&&</span> <span class="nx">endToEnd</span> <span class="o"><=</span> <span class="mi">0</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="kc">true</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">return</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">},</span>
<span class="nx">collapse</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">toStart</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">collapse</span><span class="p">(</span><span class="nx">toStart</span> <span class="o">===</span> <span class="kc">undefined</span> <span class="o">?</span> <span class="kc">true</span> <span class="o">:</span> <span class="nx">toStart</span><span class="p">);</span>
<span class="k">return</span> <span class="k">this</span><span class="p">;</span>
<span class="p">},</span>
<span class="nx">toString</span><span class="o">:</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">typeof</span> <span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">text</span> <span class="o">==</span> <span class="s2">"string"</span> <span class="o">?</span> <span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">text</span> <span class="o">:</span> <span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">toString</span><span class="p">();</span>
<span class="p">},</span>
<span class="nx">start</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">set</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-23"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-23">¶</a> </div> <p>return start</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">set</span> <span class="o">===</span> <span class="kc">undefined</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">startContainer</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="p">{</span>
<span class="nx">container</span><span class="o">:</span> <span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">startContainer</span><span class="p">,</span>
<span class="nx">offset</span><span class="o">:</span> <span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">startOffset</span>
<span class="p">}</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-24"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-24">¶</a> </div> <p>Get the start parent element</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">var</span> <span class="nx">start</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">clone</span><span class="p">().</span><span class="nx">collapse</span><span class="p">().</span><span class="nx">parent</span><span class="p">();</span></pre></div> </td> </tr> <tr id="section-25"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-25">¶</a> </div> <p>used to get the start element offset</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">var</span> <span class="nx">startRange</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">(</span><span class="nx">start</span><span class="p">).</span><span class="nx">select</span><span class="p">(</span><span class="nx">start</span><span class="p">).</span><span class="nx">collapse</span><span class="p">();</span>
<span class="nx">startRange</span><span class="p">.</span><span class="nx">move</span><span class="p">(</span><span class="s2">"END_TO_START"</span><span class="p">,</span> <span class="k">this</span><span class="p">);</span>
<span class="k">return</span> <span class="p">{</span>
<span class="nx">container</span><span class="o">:</span> <span class="nx">start</span><span class="p">,</span>
<span class="nx">offset</span><span class="o">:</span> <span class="nx">startRange</span><span class="p">.</span><span class="nx">toString</span><span class="p">().</span><span class="nx">length</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">setStart</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-26"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-26">¶</a> </div> <p>supports setStart</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="k">typeof</span> <span class="nx">set</span> <span class="o">==</span> <span class="s1">'number'</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">setStart</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">startContainer</span><span class="p">,</span> <span class="nx">set</span><span class="p">)</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="k">typeof</span> <span class="nx">set</span> <span class="o">==</span> <span class="s1">'string'</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">res</span> <span class="o">=</span> <span class="nx">callMove</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">startContainer</span><span class="p">,</span> <span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">startOffset</span><span class="p">,</span> <span class="nb">parseInt</span><span class="p">(</span><span class="nx">set</span><span class="p">,</span> <span class="mi">10</span><span class="p">))</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">setStart</span><span class="p">(</span><span class="nx">res</span><span class="p">.</span><span class="nx">node</span><span class="p">,</span> <span class="nx">res</span><span class="p">.</span><span class="nx">offset</span><span class="p">);</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">setStart</span><span class="p">(</span><span class="nx">set</span><span class="p">.</span><span class="nx">container</span><span class="p">,</span> <span class="nx">set</span><span class="p">.</span><span class="nx">offset</span><span class="p">)</span>
<span class="p">}</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="k">typeof</span> <span class="nx">set</span> <span class="o">==</span> <span class="s2">"string"</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">moveStart</span><span class="p">(</span><span class="s1">'character'</span><span class="p">,</span> <span class="nb">parseInt</span><span class="p">(</span><span class="nx">set</span><span class="p">,</span> <span class="mi">10</span><span class="p">))</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-27"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-27">¶</a> </div> <p>get the current end container</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">var</span> <span class="nx">container</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">start</span><span class="p">().</span><span class="nx">container</span><span class="p">,</span>
<span class="nx">offset</span>
<span class="k">if</span> <span class="p">(</span><span class="k">typeof</span> <span class="nx">set</span> <span class="o">==</span> <span class="s2">"number"</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">offset</span> <span class="o">=</span> <span class="nx">set</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">container</span> <span class="o">=</span> <span class="nx">set</span><span class="p">.</span><span class="nx">container</span>
<span class="nx">offset</span> <span class="o">=</span> <span class="nx">set</span><span class="p">.</span><span class="nx">offset</span>
<span class="p">}</span>
<span class="kd">var</span> <span class="nx">newPoint</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">(</span><span class="nx">container</span><span class="p">).</span><span class="nx">collapse</span><span class="p">();</span></pre></div> </td> </tr> <tr id="section-28"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-28">¶</a> </div> <p>move it over offset characters</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">newPoint</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">move</span><span class="p">(</span><span class="nx">offset</span><span class="p">);</span>
<span class="k">this</span><span class="p">.</span><span class="nx">move</span><span class="p">(</span><span class="s2">"START_TO_START"</span><span class="p">,</span> <span class="nx">newPoint</span><span class="p">);</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">return</span> <span class="k">this</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="nx">end</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">set</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-29"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-29">¶</a> </div> <p>read end</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">set</span> <span class="o">===</span> <span class="kc">undefined</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">startContainer</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="p">{</span>
<span class="nx">container</span><span class="o">:</span> <span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">endContainer</span><span class="p">,</span>
<span class="nx">offset</span><span class="o">:</span> <span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">endOffset</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">else</span> <span class="p">{</span>
<span class="kd">var</span></pre></div> </td> </tr> <tr id="section-30"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-30">¶</a> </div> <p>Get the end parent element</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">end</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">clone</span><span class="p">().</span><span class="nx">collapse</span><span class="p">(</span><span class="kc">false</span><span class="p">).</span><span class="nx">parent</span><span class="p">(),</span></pre></div> </td> </tr> <tr id="section-31"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-31">¶</a> </div> <p>used to get the end elements offset</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">endRange</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">(</span><span class="nx">end</span><span class="p">).</span><span class="nx">select</span><span class="p">(</span><span class="nx">end</span><span class="p">).</span><span class="nx">collapse</span><span class="p">();</span>
<span class="nx">endRange</span><span class="p">.</span><span class="nx">move</span><span class="p">(</span><span class="s2">"END_TO_END"</span><span class="p">,</span> <span class="k">this</span><span class="p">);</span>
<span class="k">return</span> <span class="p">{</span>
<span class="nx">container</span><span class="o">:</span> <span class="nx">end</span><span class="p">,</span>
<span class="nx">offset</span><span class="o">:</span> <span class="nx">endRange</span><span class="p">.</span><span class="nx">toString</span><span class="p">().</span><span class="nx">length</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">setEnd</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="k">typeof</span> <span class="nx">set</span> <span class="o">==</span> <span class="s1">'number'</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">setEnd</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">endContainer</span><span class="p">,</span> <span class="nx">set</span><span class="p">)</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="k">typeof</span> <span class="nx">set</span> <span class="o">==</span> <span class="s1">'string'</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">res</span> <span class="o">=</span> <span class="nx">callMove</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">endContainer</span><span class="p">,</span> <span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">endOffset</span><span class="p">,</span> <span class="nb">parseInt</span><span class="p">(</span><span class="nx">set</span><span class="p">,</span> <span class="mi">10</span><span class="p">))</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">setEnd</span><span class="p">(</span><span class="nx">res</span><span class="p">.</span><span class="nx">node</span><span class="p">,</span> <span class="nx">res</span><span class="p">.</span><span class="nx">offset</span><span class="p">);</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">setEnd</span><span class="p">(</span><span class="nx">set</span><span class="p">.</span><span class="nx">container</span><span class="p">,</span> <span class="nx">set</span><span class="p">.</span><span class="nx">offset</span><span class="p">)</span>
<span class="p">}</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="k">typeof</span> <span class="nx">set</span> <span class="o">==</span> <span class="s2">"string"</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">moveEnd</span><span class="p">(</span><span class="s1">'character'</span><span class="p">,</span> <span class="nb">parseInt</span><span class="p">(</span><span class="nx">set</span><span class="p">,</span> <span class="mi">10</span><span class="p">));</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-32"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-32">¶</a> </div> <p>get the current end container</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">var</span> <span class="nx">container</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">end</span><span class="p">().</span><span class="nx">container</span><span class="p">,</span>
<span class="nx">offset</span>
<span class="k">if</span> <span class="p">(</span><span class="k">typeof</span> <span class="nx">set</span> <span class="o">==</span> <span class="s2">"number"</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">offset</span> <span class="o">=</span> <span class="nx">set</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">container</span> <span class="o">=</span> <span class="nx">set</span><span class="p">.</span><span class="nx">container</span>
<span class="nx">offset</span> <span class="o">=</span> <span class="nx">set</span><span class="p">.</span><span class="nx">offset</span>
<span class="p">}</span>
<span class="kd">var</span> <span class="nx">newPoint</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">(</span><span class="nx">container</span><span class="p">).</span><span class="nx">collapse</span><span class="p">();</span></pre></div> </td> </tr> <tr id="section-33"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-33">¶</a> </div> <p>move it over offset characters</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">newPoint</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">move</span><span class="p">(</span><span class="nx">offset</span><span class="p">);</span>
<span class="k">this</span><span class="p">.</span><span class="nx">move</span><span class="p">(</span><span class="s2">"END_TO_START"</span><span class="p">,</span> <span class="nx">newPoint</span><span class="p">);</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">return</span> <span class="k">this</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="nx">parent</span><span class="o">:</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">commonAncestorContainer</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">commonAncestorContainer</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">parentElement</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">parentElement</span><span class="p">(),</span>
<span class="nx">range</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">;</span></pre></div> </td> </tr> <tr id="section-34"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-34">¶</a> </div> <p>IE's parentElement will always give an element, we want text ranges</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">iterate</span><span class="p">(</span><span class="nx">parentElement</span><span class="p">.</span><span class="nx">childNodes</span><span class="p">,</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">txtNode</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">(</span><span class="nx">txtNode</span><span class="p">).</span><span class="nx">range</span><span class="p">.</span><span class="nx">inRange</span><span class="p">(</span><span class="nx">range</span><span class="p">))</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-35"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-35">¶</a> </div> <p>swap out the parentElement</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">parentElement</span> <span class="o">=</span> <span class="nx">txtNode</span><span class="p">;</span>
<span class="k">return</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">});</span>
<span class="k">return</span> <span class="nx">parentElement</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="nx">rect</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">from</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">rect</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">getBoundingClientRect</span><span class="p">();</span></pre></div> </td> </tr> <tr id="section-36"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-36">¶</a> </div> <p>for some reason in webkit this gets a better value</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">rect</span><span class="p">.</span><span class="nx">height</span> <span class="o">&&</span> <span class="o">!</span><span class="nx">rect</span><span class="p">.</span><span class="nx">width</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">rect</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">getClientRects</span><span class="p">()[</span><span class="mi">0</span><span class="p">]</span>
<span class="p">}</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">from</span> <span class="o">===</span> <span class="s1">'page'</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-37"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-37">¶</a> </div> <p>Add the scroll offset</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">var</span> <span class="nx">off</span> <span class="o">=</span> <span class="nx">scrollOffset</span><span class="p">();</span>
<span class="nx">rect</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">extend</span><span class="p">({},</span> <span class="nx">rect</span><span class="p">);</span>
<span class="nx">rect</span><span class="p">.</span><span class="nx">top</span> <span class="o">+=</span> <span class="nx">off</span><span class="p">.</span><span class="nx">top</span><span class="p">;</span>
<span class="nx">rect</span><span class="p">.</span><span class="nx">left</span> <span class="o">+=</span> <span class="nx">off</span><span class="p">.</span><span class="nx">left</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">rect</span><span class="p">;</span>
<span class="p">},</span>
<span class="nx">rects</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">from</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-38"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-38">¶</a> </div> <p>order rects by size</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">var</span> <span class="nx">rects</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">map</span><span class="p">(</span><span class="nx">$</span><span class="p">.</span><span class="nx">makeArray</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">getClientRects</span><span class="p">()).</span><span class="nx">sort</span><span class="p">(</span><span class="kd">function</span> <span class="p">(</span><span class="nx">rect1</span><span class="p">,</span> <span class="nx">rect2</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">rect2</span><span class="p">.</span><span class="nx">width</span> <span class="o">*</span> <span class="nx">rect2</span><span class="p">.</span><span class="nx">height</span> <span class="o">-</span> <span class="nx">rect1</span><span class="p">.</span><span class="nx">width</span> <span class="o">*</span> <span class="nx">rect1</span><span class="p">.</span><span class="nx">height</span><span class="p">;</span>
<span class="p">}),</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">rect</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">$</span><span class="p">.</span><span class="nx">extend</span><span class="p">({},</span> <span class="nx">rect</span><span class="p">)</span>
<span class="p">}),</span>
<span class="nx">i</span> <span class="o">=</span> <span class="mi">0</span><span class="p">,</span>
<span class="nx">j</span><span class="p">,</span> <span class="nx">len</span> <span class="o">=</span> <span class="nx">rects</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span></pre></div> </td> </tr> <tr id="section-39"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-39">¶</a> </div> <p>safari returns overlapping client rects
- big rects can contain 2 smaller rects
- some rects can contain 0 - width rects
- we don't want these 0 width rects</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">while</span> <span class="p">(</span><span class="nx">i</span> <span class="o"><</span> <span class="nx">rects</span><span class="p">.</span><span class="nx">length</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">cur</span> <span class="o">=</span> <span class="nx">rects</span><span class="p">[</span><span class="nx">i</span><span class="p">],</span>
<span class="nx">found</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
<span class="nx">j</span> <span class="o">=</span> <span class="nx">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">;</span>
<span class="k">while</span> <span class="p">(</span><span class="nx">j</span> <span class="o"><</span> <span class="nx">rects</span><span class="p">.</span><span class="nx">length</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">withinRect</span><span class="p">(</span><span class="nx">cur</span><span class="p">,</span> <span class="nx">rects</span><span class="p">[</span><span class="nx">j</span><span class="p">]))</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">rects</span><span class="p">[</span><span class="nx">j</span><span class="p">].</span><span class="nx">width</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">rects</span><span class="p">.</span><span class="nx">splice</span><span class="p">(</span><span class="nx">j</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">found</span> <span class="o">=</span> <span class="nx">rects</span><span class="p">[</span><span class="nx">j</span><span class="p">];</span>
<span class="k">break</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">j</span><span class="o">++</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">found</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">rects</span><span class="p">.</span><span class="nx">splice</span><span class="p">(</span><span class="nx">i</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">i</span><span class="o">++</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-40"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-40">¶</a> </div> <p>safari will be return overlapping ranges ...</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">from</span> <span class="o">==</span> <span class="s1">'page'</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">off</span> <span class="o">=</span> <span class="nx">scrollOffset</span><span class="p">();</span>
<span class="k">return</span> <span class="nx">$</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="nx">rects</span><span class="p">,</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">ith</span><span class="p">,</span> <span class="nx">item</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">item</span><span class="p">.</span><span class="nx">top</span> <span class="o">+=</span> <span class="nx">off</span><span class="p">.</span><span class="nx">top</span><span class="p">;</span>
<span class="nx">item</span><span class="p">.</span><span class="nx">left</span> <span class="o">+=</span> <span class="nx">off</span><span class="p">.</span><span class="nx">left</span><span class="p">;</span>
<span class="p">})</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">rects</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">});</span>
<span class="p">(</span><span class="kd">function</span> <span class="p">()</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-41"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-41">¶</a> </div> <p>method branching ....</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">var</span> <span class="nx">fn</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">.</span><span class="nx">prototype</span><span class="p">,</span>
<span class="nx">range</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">().</span><span class="nx">range</span><span class="p">;</span>
<span class="nx">fn</span><span class="p">.</span><span class="nx">compare</span> <span class="o">=</span> <span class="nx">range</span><span class="p">.</span><span class="nx">compareBoundaryPoints</span> <span class="o">?</span>
<span class="kd">function</span> <span class="p">(</span><span class="nx">type</span><span class="p">,</span> <span class="nx">range</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">compareBoundaryPoints</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nb">window</span><span class="p">().</span><span class="nx">Range</span><span class="p">[</span><span class="nx">reverse</span><span class="p">(</span><span class="nx">type</span><span class="p">)],</span> <span class="nx">range</span><span class="p">.</span><span class="nx">range</span><span class="p">)</span>
<span class="p">}</span> <span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">type</span><span class="p">,</span> <span class="nx">range</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">compareEndPoints</span><span class="p">(</span><span class="nx">convertType</span><span class="p">(</span><span class="nx">type</span><span class="p">),</span> <span class="nx">range</span><span class="p">.</span><span class="nx">range</span><span class="p">)</span>
<span class="p">}</span>
<span class="nx">fn</span><span class="p">.</span><span class="nx">move</span> <span class="o">=</span> <span class="nx">range</span><span class="p">.</span><span class="nx">setStart</span> <span class="o">?</span>
<span class="kd">function</span> <span class="p">(</span><span class="nx">type</span><span class="p">,</span> <span class="nx">range</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">rangesRange</span> <span class="o">=</span> <span class="nx">range</span><span class="p">.</span><span class="nx">range</span><span class="p">;</span>
<span class="k">switch</span> <span class="p">(</span><span class="nx">type</span><span class="p">)</span> <span class="p">{</span>
<span class="k">case</span> <span class="s2">"START_TO_END"</span><span class="o">:</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">setStart</span><span class="p">(</span><span class="nx">rangesRange</span><span class="p">.</span><span class="nx">endContainer</span><span class="p">,</span> <span class="nx">rangesRange</span><span class="p">.</span><span class="nx">endOffset</span><span class="p">)</span>
<span class="k">break</span><span class="p">;</span>
<span class="k">case</span> <span class="s2">"START_TO_START"</span><span class="o">:</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">setStart</span><span class="p">(</span><span class="nx">rangesRange</span><span class="p">.</span><span class="nx">startContainer</span><span class="p">,</span> <span class="nx">rangesRange</span><span class="p">.</span><span class="nx">startOffset</span><span class="p">)</span>
<span class="k">break</span><span class="p">;</span>
<span class="k">case</span> <span class="s2">"END_TO_END"</span><span class="o">:</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">setEnd</span><span class="p">(</span><span class="nx">rangesRange</span><span class="p">.</span><span class="nx">endContainer</span><span class="p">,</span> <span class="nx">rangesRange</span><span class="p">.</span><span class="nx">endOffset</span><span class="p">)</span>
<span class="k">break</span><span class="p">;</span>
<span class="k">case</span> <span class="s2">"END_TO_START"</span><span class="o">:</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">setEnd</span><span class="p">(</span><span class="nx">rangesRange</span><span class="p">.</span><span class="nx">startContainer</span><span class="p">,</span> <span class="nx">rangesRange</span><span class="p">.</span><span class="nx">startOffset</span><span class="p">)</span>
<span class="k">break</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">return</span> <span class="k">this</span><span class="p">;</span>
<span class="p">}</span> <span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">type</span><span class="p">,</span> <span class="nx">range</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">setEndPoint</span><span class="p">(</span><span class="nx">convertType</span><span class="p">(</span><span class="nx">type</span><span class="p">),</span> <span class="nx">range</span><span class="p">.</span><span class="nx">range</span><span class="p">)</span>
<span class="k">return</span> <span class="k">this</span><span class="p">;</span>
<span class="p">};</span>
<span class="kd">var</span> <span class="nx">cloneFunc</span> <span class="o">=</span> <span class="nx">range</span><span class="p">.</span><span class="nx">cloneRange</span> <span class="o">?</span> <span class="s2">"cloneRange"</span> <span class="o">:</span> <span class="s2">"duplicate"</span><span class="p">,</span>
<span class="nx">selectFunc</span> <span class="o">=</span> <span class="nx">range</span><span class="p">.</span><span class="nx">selectNodeContents</span> <span class="o">?</span> <span class="s2">"selectNodeContents"</span> <span class="o">:</span> <span class="s2">"moveToElementText"</span><span class="p">;</span>
<span class="nx">fn</span><span class="p">.</span>
<span class="nx">clone</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">[</span><span class="nx">cloneFunc</span><span class="p">]());</span>
<span class="p">};</span>
<span class="nx">fn</span><span class="p">.</span>
<span class="nx">select</span> <span class="o">=</span> <span class="nx">range</span><span class="p">.</span><span class="nx">selectNodeContents</span> <span class="o">?</span>
<span class="kd">function</span> <span class="p">(</span><span class="nx">el</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">el</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">selection</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nb">window</span><span class="p">().</span><span class="nx">getSelection</span><span class="p">();</span>
<span class="nx">selection</span><span class="p">.</span><span class="nx">removeAllRanges</span><span class="p">();</span>
<span class="nx">selection</span><span class="p">.</span><span class="nx">addRange</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">);</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">selectNodeContents</span><span class="p">(</span><span class="nx">el</span><span class="p">);</span>
<span class="p">}</span>
<span class="k">return</span> <span class="k">this</span><span class="p">;</span>
<span class="p">}</span> <span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">el</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">el</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">select</span><span class="p">()</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">el</span><span class="p">.</span><span class="nx">nodeType</span> <span class="o">===</span> <span class="mi">3</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-42"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-42">¶</a> </div> <p>select this node in the element ...</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">var</span> <span class="nx">parent</span> <span class="o">=</span> <span class="nx">el</span><span class="p">.</span><span class="nx">parentNode</span><span class="p">,</span>
<span class="nx">start</span> <span class="o">=</span> <span class="mi">0</span><span class="p">,</span>
<span class="nx">end</span><span class="p">;</span>
<span class="nx">iterate</span><span class="p">(</span><span class="nx">parent</span><span class="p">.</span><span class="nx">childNodes</span><span class="p">,</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">txtNode</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">txtNode</span> <span class="o">===</span> <span class="nx">el</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">end</span> <span class="o">=</span> <span class="nx">start</span> <span class="o">+</span> <span class="nx">txtNode</span><span class="p">.</span><span class="nx">nodeValue</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span>
<span class="k">return</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">start</span> <span class="o">=</span> <span class="nx">start</span> <span class="o">+</span> <span class="nx">txtNode</span><span class="p">.</span><span class="nx">nodeValue</span><span class="p">.</span><span class="nx">length</span>
<span class="p">}</span>
<span class="p">})</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">moveToElementText</span><span class="p">(</span><span class="nx">parent</span><span class="p">);</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">moveEnd</span><span class="p">(</span><span class="s1">'character'</span><span class="p">,</span> <span class="nx">end</span> <span class="o">-</span> <span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">text</span><span class="p">.</span><span class="nx">length</span><span class="p">)</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">moveStart</span><span class="p">(</span><span class="s1">'character'</span><span class="p">,</span> <span class="nx">start</span><span class="p">);</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">range</span><span class="p">.</span><span class="nx">moveToElementText</span><span class="p">(</span><span class="nx">el</span><span class="p">);</span>
<span class="p">}</span>
<span class="k">return</span> <span class="k">this</span><span class="p">;</span>
<span class="p">};</span>
<span class="p">})();</span></pre></div> </td> </tr> <tr id="section-43"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-43">¶</a> </div> <p>helpers -----------------
iterates through a list of elements, calls cb on every text node
if cb returns false, exits the iteration</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">var</span> <span class="nx">iterate</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">elems</span><span class="p">,</span> <span class="nx">cb</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">elem</span><span class="p">,</span> <span class="nx">start</span><span class="p">;</span>
<span class="k">for</span> <span class="p">(</span><span class="kd">var</span> <span class="nx">i</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="nx">elems</span><span class="p">[</span><span class="nx">i</span><span class="p">];</span> <span class="nx">i</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">elem</span> <span class="o">=</span> <span class="nx">elems</span><span class="p">[</span><span class="nx">i</span><span class="p">];</span></pre></div> </td> </tr> <tr id="section-44"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-44">¶</a> </div> <p>Get the text from text nodes and CDATA nodes</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">elem</span><span class="p">.</span><span class="nx">nodeType</span> <span class="o">===</span> <span class="mi">3</span> <span class="o">||</span> <span class="nx">elem</span><span class="p">.</span><span class="nx">nodeType</span> <span class="o">===</span> <span class="mi">4</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">cb</span><span class="p">(</span><span class="nx">elem</span><span class="p">)</span> <span class="o">===</span> <span class="kc">false</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-45"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-45">¶</a> </div> <p>Traverse everything else, except comment nodes</p> </td> <td class="code"> <div class="highlight"><pre> <span class="p">}</span>
<span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">elem</span><span class="p">.</span><span class="nx">nodeType</span> <span class="o">!==</span> <span class="mi">8</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">iterate</span><span class="p">(</span><span class="nx">elem</span><span class="p">.</span><span class="nx">childNodes</span><span class="p">,</span> <span class="nx">cb</span><span class="p">)</span> <span class="o">===</span> <span class="kc">false</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="nx">isText</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">node</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">node</span><span class="p">.</span><span class="nx">nodeType</span> <span class="o">===</span> <span class="mi">3</span> <span class="o">||</span> <span class="nx">node</span><span class="p">.</span><span class="nx">nodeType</span> <span class="o">===</span> <span class="mi">4</span>
<span class="p">},</span>
<span class="nx">iteratorMaker</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">toChildren</span><span class="p">,</span> <span class="nx">toNext</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">node</span><span class="p">,</span> <span class="nx">mustMoveRight</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-46"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-46">¶</a> </div> <p>first try down</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">node</span><span class="p">[</span><span class="nx">toChildren</span><span class="p">]</span> <span class="o">&&</span> <span class="o">!</span><span class="nx">mustMoveRight</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">isText</span><span class="p">(</span><span class="nx">node</span><span class="p">[</span><span class="nx">toChildren</span><span class="p">])</span> <span class="o">?</span> <span class="nx">node</span><span class="p">[</span><span class="nx">toChildren</span><span class="p">]</span> <span class="o">:</span> <span class="nx">arguments</span><span class="p">.</span><span class="nx">callee</span><span class="p">(</span><span class="nx">node</span><span class="p">[</span><span class="nx">toChildren</span><span class="p">])</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">node</span><span class="p">[</span><span class="nx">toNext</span><span class="p">])</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">isText</span><span class="p">(</span><span class="nx">node</span><span class="p">[</span><span class="nx">toNext</span><span class="p">])</span> <span class="o">?</span> <span class="nx">node</span><span class="p">[</span><span class="nx">toNext</span><span class="p">]</span> <span class="o">:</span> <span class="nx">arguments</span><span class="p">.</span><span class="nx">callee</span><span class="p">(</span><span class="nx">node</span><span class="p">[</span><span class="nx">toNext</span><span class="p">])</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">node</span><span class="p">.</span><span class="nx">parentNode</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">arguments</span><span class="p">.</span><span class="nx">callee</span><span class="p">(</span><span class="nx">node</span><span class="p">.</span><span class="nx">parentNode</span><span class="p">,</span> <span class="kc">true</span><span class="p">)</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="nx">getNextTextNode</span> <span class="o">=</span> <span class="nx">iteratorMaker</span><span class="p">(</span><span class="s2">"firstChild"</span><span class="p">,</span> <span class="s2">"nextSibling"</span><span class="p">),</span>
<span class="nx">getPrevTextNode</span> <span class="o">=</span> <span class="nx">iteratorMaker</span><span class="p">(</span><span class="s2">"lastChild"</span><span class="p">,</span> <span class="s2">"previousSibling"</span><span class="p">),</span>
<span class="nx">callMove</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">container</span><span class="p">,</span> <span class="nx">offset</span><span class="p">,</span> <span class="nx">howMany</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">mover</span> <span class="o">=</span> <span class="nx">howMany</span> <span class="o"><</span> <span class="mi">0</span> <span class="o">?</span> <span class="nx">getPrevTextNode</span> <span class="o">:</span> <span class="nx">getNextTextNode</span><span class="p">;</span></pre></div> </td> </tr> <tr id="section-47"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-47">¶</a> </div> <p>find the text element</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">isText</span><span class="p">(</span><span class="nx">container</span><span class="p">))</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-48"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-48">¶</a> </div> <p>sometimes offset isn't actually an element</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">container</span> <span class="o">=</span> <span class="nx">container</span><span class="p">.</span><span class="nx">childNodes</span><span class="p">[</span><span class="nx">offset</span><span class="p">]</span> <span class="o">?</span> <span class="nx">container</span><span class="p">.</span><span class="nx">childNodes</span><span class="p">[</span><span class="nx">offset</span><span class="p">]</span> <span class="o">:</span></pre></div> </td> </tr> <tr id="section-49"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-49">¶</a> </div> <p>if this happens, use the last child</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">container</span><span class="p">.</span><span class="nx">lastChild</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">isText</span><span class="p">(</span><span class="nx">container</span><span class="p">))</span> <span class="p">{</span>
<span class="nx">container</span> <span class="o">=</span> <span class="nx">mover</span><span class="p">(</span><span class="nx">container</span><span class="p">)</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">move</span><span class="p">(</span><span class="nx">container</span><span class="p">,</span> <span class="nx">howMany</span><span class="p">)</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">offset</span> <span class="o">+</span> <span class="nx">howMany</span> <span class="o"><</span> <span class="mi">0</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">move</span><span class="p">(</span><span class="nx">mover</span><span class="p">(</span><span class="nx">container</span><span class="p">),</span> <span class="nx">offset</span> <span class="o">+</span> <span class="nx">howMany</span><span class="p">)</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">move</span><span class="p">(</span><span class="nx">container</span><span class="p">,</span> <span class="nx">offset</span> <span class="o">+</span> <span class="nx">howMany</span><span class="p">)</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">},</span></pre></div> </td> </tr> <tr id="section-50"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-50">¶</a> </div> <p>Moves howMany characters from the start of
from</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">move</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">from</span><span class="p">,</span> <span class="nx">howMany</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">mover</span> <span class="o">=</span> <span class="nx">howMany</span> <span class="o"><</span> <span class="mi">0</span> <span class="o">?</span> <span class="nx">getPrevTextNode</span> <span class="o">:</span> <span class="nx">getNextTextNode</span><span class="p">;</span>
<span class="nx">howMany</span> <span class="o">=</span> <span class="nb">Math</span><span class="p">.</span><span class="nx">abs</span><span class="p">(</span><span class="nx">howMany</span><span class="p">);</span>
<span class="k">while</span> <span class="p">(</span><span class="nx">from</span> <span class="o">&&</span> <span class="nx">howMany</span> <span class="o">>=</span> <span class="nx">from</span><span class="p">.</span><span class="nx">nodeValue</span><span class="p">.</span><span class="nx">length</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">howMany</span> <span class="o">=</span> <span class="nx">howMany</span> <span class="o">-</span> <span class="nx">from</span><span class="p">.</span><span class="nx">nodeValue</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span>
<span class="nx">from</span> <span class="o">=</span> <span class="nx">mover</span><span class="p">(</span><span class="nx">from</span><span class="p">)</span>
<span class="p">}</span>
<span class="k">return</span> <span class="p">{</span>
<span class="nx">node</span><span class="o">:</span> <span class="nx">from</span><span class="p">,</span>
<span class="nx">offset</span><span class="o">:</span> <span class="nx">mover</span> <span class="o">===</span> <span class="nx">getNextTextNode</span> <span class="o">?</span> <span class="nx">howMany</span> <span class="o">:</span> <span class="nx">from</span><span class="p">.</span><span class="nx">nodeValue</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="nx">howMany</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="nx">supportWhitespace</span><span class="p">,</span> <span class="nx">isWhitespace</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">el</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">supportWhitespace</span> <span class="o">==</span> <span class="kc">null</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">supportWhitespace</span> <span class="o">=</span> <span class="s1">'isElementContentWhitespace'</span> <span class="k">in</span> <span class="nx">el</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">return</span> <span class="p">(</span><span class="nx">supportWhitespace</span> <span class="o">?</span> <span class="nx">el</span><span class="p">.</span><span class="nx">isElementContentWhitespace</span> <span class="o">:</span> <span class="p">(</span><span class="nx">el</span><span class="p">.</span><span class="nx">nodeType</span> <span class="o">===</span> <span class="mi">3</span> <span class="o">&&</span> <span class="s1">''</span> <span class="o">==</span> <span class="nx">el</span><span class="p">.</span><span class="nx">data</span><span class="p">.</span><span class="nx">trim</span><span class="p">()));</span>
<span class="p">},</span></pre></div> </td> </tr> <tr id="section-51"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-51">¶</a> </div> <p>if a point is within a rectangle</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">within</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">rect</span><span class="p">,</span> <span class="nx">point</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">rect</span><span class="p">.</span><span class="nx">left</span> <span class="o"><=</span> <span class="nx">point</span><span class="p">.</span><span class="nx">clientX</span> <span class="o">&&</span> <span class="nx">rect</span><span class="p">.</span><span class="nx">left</span> <span class="o">+</span> <span class="nx">rect</span><span class="p">.</span><span class="nx">width</span> <span class="o">>=</span> <span class="nx">point</span><span class="p">.</span><span class="nx">clientX</span> <span class="o">&&</span> <span class="nx">rect</span><span class="p">.</span><span class="nx">top</span> <span class="o"><=</span> <span class="nx">point</span><span class="p">.</span><span class="nx">clientY</span> <span class="o">&&</span> <span class="nx">rect</span><span class="p">.</span><span class="nx">top</span> <span class="o">+</span> <span class="nx">rect</span><span class="p">.</span><span class="nx">height</span> <span class="o">>=</span> <span class="nx">point</span><span class="p">.</span><span class="nx">clientY</span>
<span class="p">},</span></pre></div> </td> </tr> <tr id="section-52"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-52">¶</a> </div> <p>if a rectangle is within another rectangle</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">withinRect</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">outer</span><span class="p">,</span> <span class="nx">inner</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">within</span><span class="p">(</span><span class="nx">outer</span><span class="p">,</span> <span class="p">{</span>
<span class="nx">clientX</span><span class="o">:</span> <span class="nx">inner</span><span class="p">.</span><span class="nx">left</span><span class="p">,</span>
<span class="nx">clientY</span><span class="o">:</span> <span class="nx">inner</span><span class="p">.</span><span class="nx">top</span>
<span class="p">})</span> <span class="o">&&</span> <span class="c1">//top left</span>
<span class="nx">within</span><span class="p">(</span><span class="nx">outer</span><span class="p">,</span> <span class="p">{</span>
<span class="nx">clientX</span><span class="o">:</span> <span class="nx">inner</span><span class="p">.</span><span class="nx">left</span> <span class="o">+</span> <span class="nx">inner</span><span class="p">.</span><span class="nx">width</span><span class="p">,</span>
<span class="nx">clientY</span><span class="o">:</span> <span class="nx">inner</span><span class="p">.</span><span class="nx">top</span>
<span class="p">})</span> <span class="o">&&</span> <span class="c1">//top right</span>
<span class="nx">within</span><span class="p">(</span><span class="nx">outer</span><span class="p">,</span> <span class="p">{</span>
<span class="nx">clientX</span><span class="o">:</span> <span class="nx">inner</span><span class="p">.</span><span class="nx">left</span><span class="p">,</span>
<span class="nx">clientY</span><span class="o">:</span> <span class="nx">inner</span><span class="p">.</span><span class="nx">top</span> <span class="o">+</span> <span class="nx">inner</span><span class="p">.</span><span class="nx">height</span>
<span class="p">})</span> <span class="o">&&</span> <span class="c1">//bottom left</span>
<span class="nx">within</span><span class="p">(</span><span class="nx">outer</span><span class="p">,</span> <span class="p">{</span>
<span class="nx">clientX</span><span class="o">:</span> <span class="nx">inner</span><span class="p">.</span><span class="nx">left</span> <span class="o">+</span> <span class="nx">inner</span><span class="p">.</span><span class="nx">width</span><span class="p">,</span>
<span class="nx">clientY</span><span class="o">:</span> <span class="nx">inner</span><span class="p">.</span><span class="nx">top</span> <span class="o">+</span> <span class="nx">inner</span><span class="p">.</span><span class="nx">height</span>
<span class="p">})</span> <span class="c1">//bottom right</span>
<span class="p">},</span></pre></div> </td> </tr> <tr id="section-53"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-53">¶</a> </div> <p>gets the scroll offset from a window</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">scrollOffset</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">win</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">win</span> <span class="o">=</span> <span class="nx">win</span> <span class="o">||</span> <span class="nb">window</span><span class="p">;</span>
<span class="nx">doc</span> <span class="o">=</span> <span class="nx">win</span><span class="p">.</span><span class="nb">document</span><span class="p">.</span><span class="nx">documentElement</span><span class="p">,</span> <span class="nx">body</span> <span class="o">=</span> <span class="nx">win</span><span class="p">.</span><span class="nb">document</span><span class="p">.</span><span class="nx">body</span><span class="p">;</span>
<span class="k">return</span> <span class="p">{</span>
<span class="nx">left</span><span class="o">:</span> <span class="p">(</span><span class="nx">doc</span> <span class="o">&&</span> <span class="nx">doc</span><span class="p">.</span><span class="nx">scrollLeft</span> <span class="o">||</span> <span class="nx">body</span> <span class="o">&&</span> <span class="nx">body</span><span class="p">.</span><span class="nx">scrollLeft</span> <span class="o">||</span> <span class="mi">0</span><span class="p">)</span> <span class="o">+</span> <span class="p">(</span><span class="nx">doc</span><span class="p">.</span><span class="nx">clientLeft</span> <span class="o">||</span> <span class="mi">0</span><span class="p">),</span>
<span class="nx">top</span><span class="o">:</span> <span class="p">(</span><span class="nx">doc</span> <span class="o">&&</span> <span class="nx">doc</span><span class="p">.</span><span class="nx">scrollTop</span> <span class="o">||</span> <span class="nx">body</span> <span class="o">&&</span> <span class="nx">body</span><span class="p">.</span><span class="nx">scrollTop</span> <span class="o">||</span> <span class="mi">0</span><span class="p">)</span> <span class="o">+</span> <span class="p">(</span><span class="nx">doc</span><span class="p">.</span><span class="nx">clientTop</span> <span class="o">||</span> <span class="mi">0</span><span class="p">)</span>
<span class="p">};</span>
<span class="p">};</span>
<span class="nx">support</span><span class="p">.</span><span class="nx">moveToPoint</span> <span class="o">=</span> <span class="o">!!</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Range</span><span class="p">().</span><span class="nx">range</span><span class="p">.</span><span class="nx">moveToPoint</span>
<span class="k">return</span> <span class="nx">$</span><span class="p">;</span>
<span class="p">})(</span><span class="nx">jQuery</span><span class="p">);</span>
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>